Cmfbibliographyat is the archetypes based version of cmfbibliograhy. it enables handling of references to (scientific) publications in plone. it provides a 'bibliography folder' content type dedicated to holding reference objects of various kinds, like for 'articles', 'books', 'preprints', 'techreports', contributions to collections, ...
the folder supports import/export of bibtex formated files. in addition the package adds a 'bibliography' action to the portal tabs and it provides a bibliographytool called 'portal_bibliography' through which you can manage the renderers and parsers for the import/export functionality.